N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-γ-glutamyl-L-γ-glutamyl-L-γ-glutamyl-L-γ-glutamyl-L-glutamic Acid-13C5, 15N; N-[N-[N-[N-[N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-γ-glutamyl]-L-γ-glutamyl]-L-γ-glutamyl]-L-γ-glutamyl]-L-glutamic Acid-13C5, 15N; MTXPG5-13C5, 15N

1,1-Dimethoxybutan-2-ol; 2-Hydroxybutyraldehyde Dimethyl Acetal; 2-Hydroxybutyraldehyde Dimethyl Acetal; SC 401918

N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-glutamic Acid 1-(1,1-Dimethylethyl) Ster

1,1-Dihydroxy-2-oxa-6,9-diaza-1-phSphaundecan-11-ol 1-Oxide